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Blood is approximately twice as thick as water because of the cells and other components found in it.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Pressure-flow hypothesis for phloem transport Pressure-flow hypothesis for phloem transport
The path of blood flow through the chambers of the left and right side of the heart, including the v The path of blood flow through the chambers of the left and right side of the heart, including the v
Unit of blood. Unit of blood.
a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation
Semipermanent Pressure Cells Semipermanent Pressure Cells
Physics - Density and Pressure Physics - Density and Pressure
Video: Wound Repair Animation

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